Chemical storage of radiant energy

Details Chemical storage of radiant energy Chemical storage of radiant energy

1974-10-07

1976-11-30

Weinblatt, Mayer

Heating

Processes of heating or heater operation

126263, 126270, 204158R, 237 1A, 237 1SL, 237 81, 250492R, 252 70, 260668A, F24J 302

Patent

active

039946754

ABSTRACT:
A system for the chemical storage of radiant energy in which either:
A. 1,8-diaryl-1a,2,7,7a-tetrahydro-1,2,7-metheno-1H-cyclopropa[b]naphthalenes (1) are converted on heating to 1,2-diaryl-2a,8b-dihydrocyclobuta[a]naphthalenes (2) or 8,9-diaryl-benzocyclooctatetraenes (3), with the release of heat; and exposure of either compounds (3) or compounds (2) to suitable radiation results in the photochemical synthesis of compounds (1); or
B. substituted naphthalenes undergo photochemical dimerization to form 1,2,2a,7,8,12b-hexahydro-1,8,2,7-ethanedihylidenedibenzo[a,e]cyclobuta[c]c yclooctenes. On heating, the latter revert to the original naphthalenes with the release of heat.

REFERENCES:
daniels, Biophysical Journal 12, 723-727 (1972).
Sasse et al., Aust. J. Chem., 24, 2151-2171 (1971).
Marcus et al., Solar Energy, 5, 44-57 (1961).
Heidt et al., "Photochemistry in the Liquid and Solid States," c 1960, John Wiley & Sons, Inc.

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